142001349 has 16 divisors (see below), whose sum is σ = 219432960. Its totient is φ = 79999920.

The previous prime is 142001339. The next prime is 142001393. The reversal of 142001349 is 943100241.

It is not a de Polignac number, because 142001349 - 2¹⁷ = 141870277 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142001309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46129 + ... + 49110.

It is an arithmetic number, because the mean of its divisors is an integer number (13714560).

Almost surely, 2^142001349 is an apocalyptic number.

It is an amenable number.

142001349 is a deficient number, since it is larger than the sum of its proper divisors (77431611).

142001349 is an equidigital number, since it uses as much as digits as its factorization.

142001349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95320.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 142001349 is about 11916.4318904612. The cubic root of 142001349 is about 521.7119967051.

The spelling of 142001349 in words is "one hundred forty-two million, one thousand, three hundred forty-nine".